Use packaged Chez for SourceHut smoke test

ober

dff81bff559f35fb4abe1519d9094756eb6efd0f

diff --git a/.build.yml b/.build.yml
index 8546d11..4f76dc9 100644
--- a/.build.yml
+++ b/.build.yml
@@ -1,19 +1,12 @@
-image: alpine/latest
+image: alpine/edge
 packages:
-  - bash
-  - build-base
+  - chez-scheme
   - git
   - make
-  - ncurses-dev
-  - openssl-dev
-  - zlib-dev
 sources:
   - https://git.sr.ht/~lisp/jerboa
   - https://git.sr.ht/~lisp/jerboa-android
 tasks:
-  - jerboa: |
-      cd jerboa
-      make binary CHEZ_INSTALL_FLAGS="--threads --enable-harden --disable-x11 --disable-curses --disable-iconv --installprefix=$PWD/.chez --installbin=$PWD/.chez/bin --installlib=$PWD/.chez/lib --installman=$PWD/.chez/share/man --installdoc=$PWD/.chez/share/doc"
   - smoke: |
       cd jerboa-android
-      JERBOA=../jerboa/jerboa-bin make test
+      JERBOA="chez --libdirs ../jerboa/lib --script" make test